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Automobile suspension DMU (diesel multiple unit) model parameterization design method

A technology of automobile suspension and model parameters, which is applied in the direction of calculation, electrical digital data processing, and special data processing applications, etc. It can solve the problems of heavy workload of engineers and long time required for motion calibration, so as to improve work efficiency and reduce Effects of workload and reduction of development time

Active Publication Date: 2015-04-29
GUANGZHOU AUTOMOBILE GROUP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this way, it takes a long time to check the motion after the design is changed, and at the same time, the workload of the engineer is also very large.

Method used

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  • Automobile suspension DMU (diesel multiple unit) model parameterization design method
  • Automobile suspension DMU (diesel multiple unit) model parameterization design method
  • Automobile suspension DMU (diesel multiple unit) model parameterization design method

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Embodiment Construction

[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0038] Embodiments of the present invention provide a parametric design method for an automobile suspension DMU model, which is used to design a parametric DMU model of an automobile suspension, such as figure 1 Shown, is the main flow chart in one embodiment of the present invention, and this method comprises the following steps:

[0039] Step S10, establishing a hard point CATPart model, including all hard point coordinates of the automobile suspension in the CAT...

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Abstract

The invention provides an automobile suspension DMU (diesel multiple unit) model parameterization design method. A hard point meter is used for driving point and line models of all components of a suspension, a point and line DMU model of the suspension is built by using the point and line models of the components, the point and line DMU model drives the suspension components to move, and a DMU model of a suspension system is formed. When the method provided by the invention is implemented, during the design change on hard points, the DMU model of the suspension system can be changed only through changing the hard point meter, during the design change on the component structure, new components are used for replacing the original components, the re-building of the DMU model is not needed, the response time on the DMU checking after the design change is obviously shortened, and the workload of engineers is reduced.

Description

technical field [0001] The invention relates to the field of digital design of automobiles, in particular to a parametric design method of a suspension DMU model. Background technique [0002] In the automobile design stage, DMU model technology is often used, where the DMU is the abbreviation of Digital Mock-Up. Through the DMU model, a realistic computer simulation can be carried out on the product, which covers the entire life cycle from product conceptual design to maintenance service. Through the DMU model, the data of subsystems such as the suspension, steering, sub-frame, brake, drive shaft, and various soft and hard pipelines of the car can be debugged and simulated at various stages, such as installation / disassembly and static and dynamic interference checks. Give guiding opinions on the specific structural improvement of risky components, discover component interference problems in the design stage, and promote the improvement of these problems, thereby reducing d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
Inventor 王瑞林吴保玉王彧王建宜叶锦文郭超
Owner GUANGZHOU AUTOMOBILE GROUP CO LTD
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